/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.hop.neo4j.transforms.gencsv;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.hop.core.logging.ILogChannel;
import org.apache.hop.core.logging.LogLevel;

public class StreamConsumer extends Thread {

  private ILogChannel log;
  private InputStream inputStream;
  private final LogLevel logLevel;

  public StreamConsumer(ILogChannel log, InputStream inputStream, LogLevel logLevel) {
    super();
    this.log = log;
    this.inputStream = inputStream;
    this.logLevel = logLevel;
  }

  @Override
  public void run() {

    try {
      InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
      BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
      String line = null;
      while ((line = bufferedReader.readLine()) != null) {
        switch (logLevel) {
          case MINIMAL:
            log.logMinimal(line);
            break;
          case BASIC:
            log.logBasic(line);
            break;
          case DETAILED:
            log.logDetailed(line);
            break;
          case DEBUG:
            log.logDebug(line);
            break;
          case ROWLEVEL:
            log.logRowlevel(line);
            break;
          case ERROR:
            if (!line.contains("neo4j-import is deprecated")
                && !line.contains("please use neo4j-admin import")) {
              log.logError(line);
              break;
            }
          case NOTHING:
          default:
            break;
        }
      }
    } catch (IOException e) {
      log.logError("Error consuming thread:", e);
    }
  }
}
